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Department of Physics
Sajal Kumar Ghosh
Assistant Professor,
Department of Physics,
School of Natural Sciences
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Education Details
2008, Ph.D., Raman Research Institute, Bangalore, (Jawaharlal Nehru University, New Delhi)
2001, M. Sc., Department of Physics, University of Kalyani, West Bengal.
1999, B. Sc., Department of Physics, University of Kalyani, West Bengal.
Professional Experience
Assistant Professor, December 2013 - Present, Department of Physics, School of Natural Sciences, Shiv Nadar University (SNU), Greater Noida, INDIA.

Post-doctoral scholar, November 2010-November 2013, Department of Physics, University of California- San Diego, USA.

Post-doctoral scientist, April 2008-October 2010, Department of Physics, University of Goettingen, Germany
PHY 252: Introduction to BioPhysics( Undergraduate Course)
PHY 569: Complex Fluids (Graduate Course)
PHY 108: Physics for life: A fundamental course (Undergraduate Course)
PHY 103: Fundamental of Physics – I (Undergraduate Course)
PHY572: Soft Matter Physics (Graduate Course)
Research Interests
We work in the field of experimental soft matter physics including biophysics. Soft materials used in cosmetic industries are investigated to explore their underlying structures and corresponding viscoelastic properties. These structures are altered by tuning the electrostatic interaction among the self-assembled aggregates in amphiphilic systems. In turn, the materials show interesting physical properties which are important for industrial applications. We also work in the field of membrane biophysics to develop model systems to investigate the interaction of macromolecules (e.g. protein, DNA etc.) with model cellular membranes. We are now embarking on to develop devices for bio-medical applications using nano-technology. Different x-ray scattering (x-ray diffraction, x-ray reflectivity, grazing incidence x-ray diffraction etc.) and microscopy techniques are used at in-house and international synchrotron facilities to study the structures and properties of such soft materials and bio-systems.
External Projects
  1. Title:Toxicity of Ionic liquids: Investigating with model cellular membrane
    Funding: UGC-DAE, Mumbai Centre
    Role: Principal Investigator (PI)
    Project Cost: 17 Lakhs (Approx.)
  2. Title: Biophysical study of forming and controlling nano-sized domain in model cellular membrane
    Funding: Scientific & Engineering Research Board (SERB), Gov. of India
    Role: Principal Investigator (PI)
    Project Cost: 35 Lakhs (Approx.)
  3. Title: Investigation of optical properties of Al2O3/ZrO2 nanocrystalline multilayers for ion beam dosimetry. Funding: Department of Atomic Energy (DAE), Board of Research in Nuclear Sciences (BRNS)
    Role: Co-Principal Investigator (Co-PI)
    Project Cost: 34.86 Lakhs.
Select Publications
  • G. Bhattacharya, S. Mitra, P. Mandal, S. Dutta, R. P. Giri and S. K. Ghosh; Thermodynamics of interaction of ionic liquids with lipid monolayer; Biophysical Reviews (2018), DOI: 10.1007/s12551-017-0390-3

  • A. Barman, C. P. Saini, P. K. Sarkar, G. Bhattacharjee, G. Bhattacharya, S. Srivastava, B. Satpati, D. Kanjilal, S. K. Ghosh, S. Dhar, and A. Kanjilal; Resistive switching behavior in oxygen ion irradiated TiO2-x films; J.Phys. D: Appl Phys (2018), DOI: 10.1088/1361-6463/aaa559

  • V. K. Sharma, S. K. Ghosh, P. Mandal, T. Yamada, K. Shibata, S. Mitra and R. Mukhopadhyay; Effects of ionic liquids on the nanoscopic dynamics and phase behaviour of a phosphatidylcholine membrane. Soft Matter (2017), 13, 8969.

  • G. Bhattacharya, R. P. Giri, H. Saxena, V. V. Agrawal, A. Gupta, M. K. Mukhopadhyay and S. K. Ghosh; X-ray Reflectivity Study of the Interaction of an Imidazolium-Based Ionic Liquid with a Soft Supported Lipid Membrane, Langmuir (2017), 33, 1295-1304.

  • R. P. Giri, M K. Mukhopadhyay, M. Mitra, A. Chakrabarti, M. K. Sanyal, S. K. Ghosh, S. Bera, L. B. Lurio, Y. Ma and S. K. Sinha; Differential adsorption of a membrane skeletal protein, spectrin, in phospholipid membranes; Euro Phys. Lett. (2017), 118, 58002

  • A. Barman, C. P. Saini, P. K. Sarkar, A. Roy, B. Satpati, D. Kanjilal, S. K. Ghosh, S. Dhar, and A. Kanjilal, Probing electron density across Ar+ irradiation-induced self-organized TiO2-x nanochannels for memory application, Applied Physics Letters (2016) 108, 244104

  • Y. Ma, S. K. Ghosh, D. A. DiLena, S. Bera, L. B. Lurio, A. N. Parikh, and S. K. Sinha, Cholesterol Partition and Condensing Effect in Phase-Separated Ternary Mixture Lipid Multilayers Biophysical Journal (2016), 110, 1355-1366.

  • Y. Ma, S. K. Ghosh, S. Bera, Z. Jiang, C. M. Schleputz, E. Karapetrova, L. B. Lurio and S. K. Sinha Anomalous partitioning of water in coexisting liquid phases of lipid multilayers near 100% relative humidity Phys.Chem.Chem.Phys., (2016), 18, 1225-1232

  • Y. Ma, S. K. Ghosh, S. Bera, Z. Jiang, S. Tristram-Nagle, L. B. Lurio and S. K. Sinha, Accurate calibration and control of relative humidity close to 100% by X-raying a DOPC multilayer. Phys. Chem. Chem. Phys. (2015), 17, 3570-3576.

  • S. K. Ghosh, B. Salgin, D. Pontoni, T. Reusch, P. Keil, D. Vogel, M. Rohwerder, H. Reichert, and T. Salditt, Structure and volta potential of lipid multilayers: Effect of x-ray irradiation, Langmuir (2013), 29, 815-824.

  • A. V. Radhakrishnan, S. K. Ghosh, G. Pabst, V. A. Raghunathan & A. K. Sood, Tuning DNA-amphiphile condensate architecture with strongly binding counterions Proc. Natl. Acad. Sci (PNAS), USA. (2012), 109, 6394-6398

  • S. K. Ghosh, S. Castorph, O. Konovalov, R. Jahn, T. Salditt, M. Holt, Measuring Ca2+ induced structural changes in lipid monolayers: implication for synaptic vesicles Exocytosis, Biophysical Journal, (2012), 102, 1394-1402

  • S. K. Ghosh, S. Aeffner and T. Salditt, Effect of PIP2 on DOPC bilayer structure and phase behavior: An x-ray scattering study ChemPhysChem, (2011), 12, 2633-2640

  • S. K. Ghosh, S. Castorph, O. Konovalov, R. Jahn, M. Holt and T. Salditt, In vitro study of interaction of synaptic vesicles with lipid membranes.; New J. Phys. (2010), 12, 105004

  • S. Castorph, L. Arleth, M. Sztucki, U. Vainio, S. K. Ghosh, R. Jahn, M. Holt and T. Salditt, Synaptic Vesicles Studied by SAXS: Derivation and Validation of a Model Form Factor J. Phys.: Conf. Ser. (2010), 247, 012015

  • S. K. Ghosh, V. Rathee, R. Krishnaswamy, V. A. Raghunathan & A. K. Sood, Re-entrant Phase Behaviour of a Concentrated Anionic Surfactant System with Strongly Binding Counterions, Langmuir (2009), 25, 8497-8506.

  • S. K. Ghosh & V. A. Raghunathan, Structure of Mesh Phases in a Cationic Surfactant System with Strongly Bound Counterions: Influence of the Surfactant head group and Counterions, Langmuir (2009), 25, 2622-2688

  • S. K. Ghosh, R. Ganpathy, R. Krishnaswamy, J. Bellare, V. A. Raghunathan & A. K. Sood, Structure of Mesh Phases in a Cationic Surfactant System with Strongly Bound Counterions. Langmuir (2007), 23, 3606-3614.

  • R. Krishnaswamy, S. K. Ghosh, S. Lakshmanan, V. A. Raghunathan & A. K. Sood, Phase Behaviour of a Concentrated Aqueous Solution of Cetyltrimethylammonium Bromide (CTAB) and Sodium Hydroxy Naphthoate (SHN), Langmuir (2005), 21, 10439-10443.
National & International Recognition
  • Invited talks in conferences:
    • 3rd International Conference on Physics at Surfaces and Interfaces (PSI2014), February 24 – 28, 2014, Puri, India
    • 2nd Young Investigators’ Meeting: Soft Matter (YIM-SM) December 18-20, 2014, Pondicherry, India
  • Scored in Joint Entrance Screening Test (JEST) in 2002 and research fellowship was awarded.
  • Qualified Graduate Aptitude Test in Engineering (GATE) in 2002.
  • Merit scholarship by University of Kalyani for ranking first in BSc. in 1999
Executive Summary
Sajal Kumar Ghosh did his Ph. D from Raman Research Institute, Bangalore, India. There after he joined as a post-doctoral scientist in the Institute for X-ray Physics, University of Goettingen, Germany. Then he moved to the University of California-San Diego (UCSD), California, USA to work as a post-doctoral scholar. Sajal has research experience in the field of soft matter physics including bio-physics. He has presented his research works in many international conferences in India, Germany, Italy, France, Spain and USA. His present interests are in i) tuning viscoelastic properties of soft materials by altering the self-assembled aggregates, ii) developing simple model systems to facilitate physical and chemical studies of bio-systems, iii) developing devices which are useful for drug delivery, non-destructive molecule counter etc. using nanotechnologies.
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